diff --git a/providers/amazon/src/airflow/providers/amazon/aws/hooks/eks.py b/providers/amazon/src/airflow/providers/amazon/aws/hooks/eks.py
index 60d3b5bb7a078..210301590ee1e 100644
--- a/providers/amazon/src/airflow/providers/amazon/aws/hooks/eks.py
+++ b/providers/amazon/src/airflow/providers/amazon/aws/hooks/eks.py
@@ -79,16 +79,25 @@ class NodegroupStates(Enum):
 
 
 COMMAND = """
+            export PYTHON_OPERATORS_VIRTUAL_ENV_MODE=1
             output=$({python_executable} -m airflow.providers.amazon.aws.utils.eks_get_token \
                 --cluster-name {eks_cluster_name} {args} 2>&1)
 
-            if [ $? -ne 0 ]; then
-                echo "Error running the script"
-                exit 1
+            status=$?
+
+            if [ "$status" -ne 0 ]; then
+                printf '%s' "$output" >&2
+                exit "$status"
             fi
 
-            expiration_timestamp=$(echo "$output" | grep -oP 'expirationTimestamp: \\K[^,]+')
-            token=$(echo "$output" | grep -oP 'token: \\K[^,]+')
+            # Use pure bash below to parse so that it's posix compliant
+
+            last_line=${{output##*$'\\n'}}  # strip everything up to the last newline
+
+            timestamp=${{last_line#expirationTimestamp: }}  # drop the label
+            timestamp=${{timestamp%%,*}}  # keep up to the first comma
+
+            token=${{last_line##*, token: }}  # text after ", token: "
 
             json_string=$(printf '{{"kind": "ExecCredential","apiVersion": \
                 "client.authentication.k8s.io/v1alpha1","spec": {{}},"status": \